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有分压电阻和e偏振非相干背景光辐照的光折变晶体中非相干耦合空间孤子对
引用本文:吉选芒,姜其畅,刘劲松. 有分压电阻和e偏振非相干背景光辐照的光折变晶体中非相干耦合空间孤子对[J]. 光子学报, 2014, 41(8): 991-998. DOI: 10.3788/gzxb20124108.0991
作者姓名:吉选芒  姜其畅  刘劲松
作者单位:1. 山西运城学院 物理与电子工程系,山西 运城 044000;2. 华中科技大学 光电子科学与工程学院,武汉 430074
基金项目:山西省自然科学基金(No.2011011003-2)资助
摘    要:为了得到光折变晶体中非相干耦合空间孤子对统一理论的结果,基于单光子光折变空间光孤子的基本理论模型,建立了稳态条件下有分压电阻和e偏振非相干均匀背景光辐照的单光子光伏光折变晶体中非相干耦合空间孤子对理论. 研究表明:这种孤子对是由两束偏振方向和波长都相同的互不相干光束耦合形成的, 孤子对两光束都能在晶体中稳定传播;当分压电阻、e偏振背景光、外加电场和光伏场取不同值时, 可获得14种光折变非相干耦合空间孤子对. 本文的结果对完善和充实光折变空间孤子理论体系有重要意义.

关 键 词:非线性光学  光折变效应  空间孤子对  分压电阻  e偏振背景光
收稿时间:2012-01-31

Incoherently Coupled Spatial Soliton Pairs in Photorefractive Crystals Illuminated by E-polarized Incoherent Uniform Back-ground Irradiation with a Divider Resistance
JI Xuan-mang,JIANG Qi-chang,LIU Jin-song. Incoherently Coupled Spatial Soliton Pairs in Photorefractive Crystals Illuminated by E-polarized Incoherent Uniform Back-ground Irradiation with a Divider Resistance[J]. Acta Photonica Sinica, 2014, 41(8): 991-998. DOI: 10.3788/gzxb20124108.0991
Authors:JI Xuan-mang  JIANG Qi-chang  LIU Jin-song
Affiliation:1. Department of Physics and Electronic Engineering, Yuncheng University, Yuncheng, Shanxi 044000, China;2. College of Optoelectronic Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
Abstract:In order to study the universal theory of incoherently coupled spatial solitons pairs in photorefractive crystals, the theory of incoherently coupled soliton pairs based on the one-photon photorefractive effect is established in one-photon photovoltaic photorefractive crystals illuminated by e-polarized incoherent uniform back-ground irradiation with a divider resistance under steady-state conditions. The numerical results show that these soliton pairs can be established by two carrier beams which share the same polarization, wavelength and are mutually incoherent. When these incoherent coupled soliton pairs propagate together, two components can propagate stably in photorefractive crystal. The 14 kinds of incoherently coupled spatial soliton pairs can be obtained from this theory by adjusting the value of the divider resistance, e-polarized back-ground irradiation, the biased electric field and photovoltaic electric field. The proposed studies have great significance to the photorefractive spatial soliton theory system.
Keywords:Nonlinear optics  Photorefractive effect  Spatial soliton pairs  Divider resistance  e-polarized back-ground irradiation
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